AbstractThe present invention provides a method for operating a mobile station. A mobile station having a user interface constituted of a display and at least one user input devices is provided (a), and each identifying means of plural applications for executing the mobile station is simultaneously displayed to a user by a gird or list format (b), and an input device is operated for the purpose of selecting one of the displayed applications (c), and the list of options available to the application selected in response to the other input by a user is displayed (d).